diff --git a/docker-compose.yml b/docker-compose.yml index e69de29..1bd7c92 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -0,0 +1,58 @@ +version: "3.7" +services: + nginx: + image: nginx:1.17.6-alpine + container_name: nginx + ports: + - 80:80 + - 443:443 + volumes: + - "nginx_certs:/etc/nginx/certs:z,ro" + - "nginx_vhostd:/etc/nginx/vhost.d:z" + - "nginx_html:/usr/share/nginx/html:z" + - "nginx_conf:/etc/nginx/conf.d:z" + networks: + - proxy + restart: always + + nginx-proxy: + image: jwilder/docker-gen # no version can be specified... + command: -notify-sighup nginx -watch /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf + container_name: nginx-proxy + volumes: + - "/var/run/docker.sock:/tmp/docker.sock:z,ro" + - ./nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl + - "nginx_certs:/etc/nginx/certs:z,ro" + - "nginx_vhostd:/etc/nginx/vhost.d:z" + - "nginx_html:/usr/share/nginx/html:z" + - "nginx_conf:/etc/nginx/conf.d:z" + depends_on: + - nginx-proxy-companion + networks: + - proxy + restart: always + + nginx-proxy-companion: + image: jrcs/letsencrypt-nginx-proxy-companion:v1.12 + container_name: nginx-proxy-companion + environment: + NGINX_PROXY_CONTAINER: "nginx-proxy" + NGINX_DOCKER_GEN_CONTAINER: "nginx" + volumes: + - "nginx_certs:/etc/nginx/certs:rw" + - "nginx_vhostd:/etc/nginx/vhost.d:z" + - "nginx_html:/usr/share/nginx/html:z" + - "/var/run/docker.sock:/var/run/docker.sock:ro" + networks: + - proxy + restart: always + +volumes: + nginx_certs: + nginx_vhostd: + nginx_html: + nginx_conf: + +networks: + proxy: + name: proxy diff --git a/nginx.tmpl b/nginx.tmpl index e69de29..b1b40ad 100644 --- a/nginx.tmpl +++ b/nginx.tmpl @@ -0,0 +1,381 @@ +{{ $CurrentContainer := where $ "ID" .Docker.CurrentContainerID | first }} + +{{ define "upstream" }} + {{ if .Address }} + {{/* If we got the containers from swarm and this container's port is published to host, use host IP:PORT */}} + {{ if and .Container.Node.ID .Address.HostPort }} + # {{ .Container.Node.Name }}/{{ .Container.Name }} + server {{ .Container.Node.Address.IP }}:{{ .Address.HostPort }}; + {{/* If there is no swarm node or the port is not published on host, use container's IP:PORT */}} + {{ else if .Network }} + # {{ .Container.Name }} + server {{ .Network.IP }}:{{ .Address.Port }}; + {{ end }} + {{ else if .Network }} + # {{ .Container.Name }} + {{ if .Network.IP }} + server {{ .Network.IP }} down; + {{ else }} + server 127.0.0.1 down; + {{ end }} + {{ end }} + +{{ end }} + +{{ define "ssl_policy" }} + {{ if eq .ssl_policy "Mozilla-Modern" }} + ssl_protocols TLSv1.3; + {{/* nginx currently lacks ability to choose ciphers in TLS 1.3 in configuration, see https://trac.nginx.org/nginx/ticket/1529 /*}} + {{/* a possible workaround can be modify /etc/ssl/openssl.cnf to change it globally (see https://trac.nginx.org/nginx/ticket/1529#comment:12 ) /*}} + {{/* explicitly set ngnix default value in order to allow single servers to override the global http value */}} + ssl_ciphers HIGH:!aNULL:!MD5; + ssl_prefer_server_ciphers off; + {{ else if eq .ssl_policy "Mozilla-Intermediate" }} + ssl_protocols TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384'; + ssl_prefer_server_ciphers off; + {{ else if eq .ssl_policy "Mozilla-Old" }} + ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA'; + ssl_prefer_server_ciphers on; + {{ else if eq .ssl_policy "AWS-TLS-1-2-2017-01" }} + ssl_protocols TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES128-SHA256:AES256-GCM-SHA384:AES256-SHA256'; + ssl_prefer_server_ciphers on; + {{ else if eq .ssl_policy "AWS-TLS-1-1-2017-01" }} + ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA'; + ssl_prefer_server_ciphers on; + {{ else if eq .ssl_policy "AWS-2016-08" }} + ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA'; + ssl_prefer_server_ciphers on; + {{ else if eq .ssl_policy "AWS-2015-05" }} + ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DES-CBC3-SHA'; + ssl_prefer_server_ciphers on; + {{ else if eq .ssl_policy "AWS-2015-03" }} + ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DHE-DSS-AES128-SHA:DES-CBC3-SHA'; + ssl_prefer_server_ciphers on; + {{ else if eq .ssl_policy "AWS-2015-02" }} + ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; + ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DHE-DSS-AES128-SHA'; + ssl_prefer_server_ciphers on; + {{ end }} +{{ end }} + +# If we receive X-Forwarded-Proto, pass it through; otherwise, pass along the +# scheme used to connect to this server +map $http_x_forwarded_proto $proxy_x_forwarded_proto { + default $http_x_forwarded_proto; + '' $scheme; +} + +# If we receive X-Forwarded-Port, pass it through; otherwise, pass along the +# server port the client connected to +map $http_x_forwarded_port $proxy_x_forwarded_port { + default $http_x_forwarded_port; + '' $server_port; +} + +# If we receive Upgrade, set Connection to "upgrade"; otherwise, delete any +# Connection header that may have been passed to this server +map $http_upgrade $proxy_connection { + default upgrade; + '' close; +} + +# Apply fix for very long server names +server_names_hash_bucket_size 128; + +# Default dhparam +{{ if (exists "/etc/nginx/dhparam/dhparam.pem") }} +ssl_dhparam /etc/nginx/dhparam/dhparam.pem; +{{ end }} + +# Set appropriate X-Forwarded-Ssl header +map $scheme $proxy_x_forwarded_ssl { + default off; + https on; +} + +gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript; + +log_format vhost '$host $remote_addr - $remote_user [$time_local] ' + '"$request" $status $body_bytes_sent ' + '"$http_referer" "$http_user_agent"'; + +access_log off; + +{{/* Get the SSL_POLICY defined by this container, falling back to "Mozilla-Intermediate" */}} +{{ $ssl_policy := or ($.Env.SSL_POLICY) "Mozilla-Intermediate" }} +{{ template "ssl_policy" (dict "ssl_policy" $ssl_policy) }} + +{{ if $.Env.RESOLVERS }} +resolver {{ $.Env.RESOLVERS }}; +{{ end }} + +{{ if (exists "/etc/nginx/proxy.conf") }} +include /etc/nginx/proxy.conf; +{{ else }} +# HTTP 1.1 support +proxy_http_version 1.1; +proxy_buffering off; +proxy_set_header Host $http_host; +proxy_set_header Upgrade $http_upgrade; +proxy_set_header Connection $proxy_connection; +proxy_set_header X-Real-IP $remote_addr; +proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; +proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto; +proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl; +proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port; + +# Mitigate httpoxy attack (see README for details) +proxy_set_header Proxy ""; +{{ end }} + +{{ $enable_ipv6 := eq (or ($.Env.ENABLE_IPV6) "") "true" }} +server { + server_name _; # This is just an invalid value which will never trigger on a real hostname. + listen 80; + {{ if $enable_ipv6 }} + listen [::]:80; + {{ end }} + access_log /var/log/nginx/access.log vhost; + return 503; +} + +{{ if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }} +server { + server_name _; # This is just an invalid value which will never trigger on a real hostname. + listen 443 ssl http2; + {{ if $enable_ipv6 }} + listen [::]:443 ssl http2; + {{ end }} + access_log /var/log/nginx/access.log vhost; + return 503; + + ssl_session_cache shared:SSL:50m; + ssl_session_tickets off; + ssl_certificate /etc/nginx/certs/default.crt; + ssl_certificate_key /etc/nginx/certs/default.key; +} +{{ end }} + +{{ range $host, $containers := groupByMulti $ "Env.VIRTUAL_HOST" "," }} + +{{ $host := trim $host }} +{{ $is_regexp := hasPrefix "~" $host }} +{{ $upstream_name := when $is_regexp (sha1 $host) $host }} + +# {{ $host }} +upstream {{ $upstream_name }} { + +{{ range $container := $containers }} + {{ $addrLen := len $container.Addresses }} + + {{ range $knownNetwork := $CurrentContainer.Networks }} + {{ range $containerNetwork := $container.Networks }} + {{ if (and (ne $containerNetwork.Name "ingress") (or (eq $knownNetwork.Name $containerNetwork.Name) (eq $knownNetwork.Name "host"))) }} + ## Can be connected with "{{ $containerNetwork.Name }}" network + + {{/* If only 1 port exposed, use that */}} + {{ if eq $addrLen 1 }} + {{ $address := index $container.Addresses 0 }} + {{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }} + {{/* If more than one port exposed, use the one matching VIRTUAL_PORT env var, falling back to standard web port 80 */}} + {{ else }} + {{ $port := coalesce $container.Env.VIRTUAL_PORT "80" }} + {{ $address := where $container.Addresses "Port" $port | first }} + {{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }} + {{ end }} + {{ else }} + # Cannot connect to network of this container + server 127.0.0.1 down; + {{ end }} + {{ end }} + {{ end }} +{{ end }} +} + +{{ $default_host := or ($.Env.DEFAULT_HOST) "" }} +{{ $default_server := index (dict $host "" $default_host "default_server") $host }} + +{{/* Get the VIRTUAL_PROTO defined by containers w/ the same vhost, falling back to "http" */}} +{{ $proto := trim (or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http") }} + +{{/* Get the NETWORK_ACCESS defined by containers w/ the same vhost, falling back to "external" */}} +{{ $network_tag := or (first (groupByKeys $containers "Env.NETWORK_ACCESS")) "external" }} + +{{/* Get the HTTPS_METHOD defined by containers w/ the same vhost, falling back to "redirect" */}} +{{ $https_method := or (first (groupByKeys $containers "Env.HTTPS_METHOD")) "redirect" }} + +{{/* Get the SSL_POLICY defined by containers w/ the same vhost, falling back to empty string (use default) */}} +{{ $ssl_policy := or (first (groupByKeys $containers "Env.SSL_POLICY")) "" }} + +{{/* Get the HSTS defined by containers w/ the same vhost, falling back to "max-age=31536000" */}} +{{ $hsts := or (first (groupByKeys $containers "Env.HSTS")) "max-age=31536000" }} + +{{/* Get the VIRTUAL_ROOT By containers w/ use fastcgi root */}} +{{ $vhost_root := or (first (groupByKeys $containers "Env.VIRTUAL_ROOT")) "/var/www/public" }} + + +{{/* Get the first cert name defined by containers w/ the same vhost */}} +{{ $certName := (first (groupByKeys $containers "Env.CERT_NAME")) }} + +{{/* Get the best matching cert by name for the vhost. */}} +{{ $vhostCert := (closest (dir "/etc/nginx/certs") (printf "%s.crt" $host))}} + +{{/* vhostCert is actually a filename so remove any suffixes since they are added later */}} +{{ $vhostCert := trimSuffix ".crt" $vhostCert }} +{{ $vhostCert := trimSuffix ".key" $vhostCert }} + +{{/* Use the cert specified on the container or fallback to the best vhost match */}} +{{ $cert := (coalesce $certName $vhostCert) }} + +{{ $is_https := (and (ne $https_method "nohttps") (ne $cert "") (exists (printf "/etc/nginx/certs/%s.crt" $cert)) (exists (printf "/etc/nginx/certs/%s.key" $cert))) }} + +{{ if $is_https }} + +{{ if eq $https_method "redirect" }} +server { + server_name {{ $host }}; + listen 80 {{ $default_server }}; + {{ if $enable_ipv6 }} + listen [::]:80 {{ $default_server }}; + {{ end }} + access_log /var/log/nginx/access.log vhost; + return 301 https://$host$request_uri; +} +{{ end }} + +server { + server_name {{ $host }}; + listen 443 ssl http2 {{ $default_server }}; + {{ if $enable_ipv6 }} + listen [::]:443 ssl http2 {{ $default_server }}; + {{ end }} + access_log /var/log/nginx/access.log vhost; + + {{ if eq $network_tag "internal" }} + # Only allow traffic from internal clients + include /etc/nginx/network_internal.conf; + {{ end }} + + {{ template "ssl_policy" (dict "ssl_policy" $ssl_policy) }} + + ssl_session_timeout 5m; + ssl_session_cache shared:SSL:50m; + ssl_session_tickets off; + + ssl_certificate /etc/nginx/certs/{{ (printf "%s.crt" $cert) }}; + ssl_certificate_key /etc/nginx/certs/{{ (printf "%s.key" $cert) }}; + + {{ if (exists (printf "/etc/nginx/certs/%s.dhparam.pem" $cert)) }} + ssl_dhparam {{ printf "/etc/nginx/certs/%s.dhparam.pem" $cert }}; + {{ end }} + + {{ if (exists (printf "/etc/nginx/certs/%s.chain.pem" $cert)) }} + ssl_stapling on; + ssl_stapling_verify on; + ssl_trusted_certificate {{ printf "/etc/nginx/certs/%s.chain.pem" $cert }}; + {{ end }} + + {{ if (not (or (eq $https_method "noredirect") (eq $hsts "off"))) }} + add_header Strict-Transport-Security "{{ trim $hsts }}" always; + {{ end }} + + {{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s" $host }}; + {{ else if (exists "/etc/nginx/vhost.d/default") }} + include /etc/nginx/vhost.d/default; + {{ end }} + + location / { + {{ if eq $proto "uwsgi" }} + include uwsgi_params; + uwsgi_pass {{ trim $proto }}://{{ trim $upstream_name }}; + {{ else if eq $proto "fastcgi" }} + root {{ trim $vhost_root }}; + include fastcgi_params; + fastcgi_pass {{ trim $upstream_name }}; + {{ else }} + proxy_pass {{ trim $proto }}://{{ trim $upstream_name }}; + {{ end }} + + {{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }} + auth_basic "Restricted {{ $host }}"; + auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }}; + {{ end }} + {{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s_location" $host}}; + {{ else if (exists "/etc/nginx/vhost.d/default_location") }} + include /etc/nginx/vhost.d/default_location; + {{ end }} + } +} + +{{ end }} + +{{ if or (not $is_https) (eq $https_method "noredirect") }} + +server { + server_name {{ $host }}; + listen 80 {{ $default_server }}; + {{ if $enable_ipv6 }} + listen [::]:80 {{ $default_server }}; + {{ end }} + access_log /var/log/nginx/access.log vhost; + + {{ if eq $network_tag "internal" }} + # Only allow traffic from internal clients + include /etc/nginx/network_internal.conf; + {{ end }} + + {{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s" $host }}; + {{ else if (exists "/etc/nginx/vhost.d/default") }} + include /etc/nginx/vhost.d/default; + {{ end }} + + location / { + {{ if eq $proto "uwsgi" }} + include uwsgi_params; + uwsgi_pass {{ trim $proto }}://{{ trim $upstream_name }}; + {{ else if eq $proto "fastcgi" }} + root {{ trim $vhost_root }}; + include fastcgi_params; + fastcgi_pass {{ trim $upstream_name }}; + {{ else }} + proxy_pass {{ trim $proto }}://{{ trim $upstream_name }}; + {{ end }} + {{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }} + auth_basic "Restricted {{ $host }}"; + auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }}; + {{ end }} + {{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s_location" $host}}; + {{ else if (exists "/etc/nginx/vhost.d/default_location") }} + include /etc/nginx/vhost.d/default_location; + {{ end }} + } +} + +{{ if (and (not $is_https) (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }} +server { + server_name {{ $host }}; + listen 443 ssl http2 {{ $default_server }}; + {{ if $enable_ipv6 }} + listen [::]:443 ssl http2 {{ $default_server }}; + {{ end }} + access_log /var/log/nginx/access.log vhost; + return 500; + + ssl_certificate /etc/nginx/certs/default.crt; + ssl_certificate_key /etc/nginx/certs/default.key; +} +{{ end }} + +{{ end }} +{{ end }} \ No newline at end of file